Tattoo power supply



FIG. 1 is a top and front perspective view of a tattoo power supplyshowing my new design;

FIG. 2 is a bottom and rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The equal-length broken lines in the drawings depict portions of thetattoo power supply that form no part of the claimed design.

CLAIM The ornamental design for a tattoo power supply, as shown anddescribed.